PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LM-204-138Washer,flat

Lord Corporation Dba Lord Corp · NSN 5310-00-855-8416 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-855-8416 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-855-8416. Primary manufacturer part number: LM-204-138.
Features
  • Washer,flat — FSC 5310
  • Hole Diameter: 0.270 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Surface Treatment: CADMIUM OVERALL
  • Overall Diameter: 0.500 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-855-8416, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lord Corporation Dba Lord Corp. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-855-8416
Primary Part NumberLM-204-138
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerLord Corporation Dba Lord Corp
StatusCANCELLED
Hole Diameter0.270 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Surface TreatmentCADMIUM OVERALL
Overall Diameter0.500 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Thickness0.040 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
2810-00-870-0917114535 INTERCHANGEABLE
Cylinder Assembly,rear
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
6750-01-427-0633 INTERCHANGEABLE
Film,photographic
Cross-Reference Index
Part NumberManufacturer
113115 Zf Industrieantriebe Witten Gmbh (DEU)
LM-204-138 PRIMARY Lord Corporation Dba Lord Corp (USA)
6148558-01 PRIMARY Diversified Aerospace Services, Llc Dba Lloyd Aircraft Company (USA)
Related Parts
2810-00-870-0917INTERCHANGEABLE
CYLINDER ASSEMBLY,REAR
114535
6750-01-427-0633INTERCHANGEABLE
FILM,PHOTOGRAPHIC

Frequently Asked Questions

What is NSN 5310-00-855-8416?

NSN 5310-00-855-8416 is a Washer,flat, manufactured by Lord Corporation Dba Lord Corp, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-855-8416?

NSN 5310-00-855-8416 has 3 cross-referenced part numbers: 113115 (Zf Industrieantriebe Witten Gmbh), LM-204-138 (Lord Corporation Dba Lord Corp), 6148558-01 (Diversified Aerospace Services, Llc Dba Lloyd Aircraft Company).

What NSN replaces 5310-00-855-8416?

There are 2 known substitutes for 5310-00-855-8416: 2810-00-870-0917, 6750-01-427-0633. Verify interchangeability with system specifications before substitution.

What are the specifications of LM-204-138?

Key specifications for LM-204-138: Hole Diameter: 0.270 INCHES NOMINAL IN; Material: STEEL OVERALL; Surface Treatment: CADMIUM OVERALL; Overall Diameter: 0.500 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-855-8416 still in active supply?

NSN 5310-00-855-8416 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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